![photo](/responsive_image/150/150/0/0/0/cache/matlabcentral/profiles/3814697_1522098435966_DEF.jpg)
David J. Mack
UniversityHospital Zurich
Followers: 0 Following: 0
Statistics
RANK
1 060
of 293 464
REPUTATION
66
CONTRIBUTIONS
3 Questions
30 Answers
ANSWER ACCEPTANCE
66.67%
VOTES RECEIVED
13
RANK
3 212 of 20 030
REPUTATION
485
AVERAGE RATING
2.30
CONTRIBUTIONS
11 Files
DOWNLOADS
28
ALL TIME DOWNLOADS
4759
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Feeds
Submitted
detectEcgWithAngle(ecg, fSInHz, varargin): Heartbeat detection using sample-to-sample angle
Implementation of the R-peak detector using the angle between successive samples.
mer än 6 år ago | 1 download |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/63184/versions/6/screenshot.png)
how to compute running correlation coefficient
And again... Have a look at <https://ch.mathworks.com/matlabcentral/fileexchange/65342 MOVCORR> Greetings, David
mer än 6 år ago | 1
How to compute sliding or running window correlation coefficient?
If someone encounters this problem, I have written a function in analogy to the MOVSUM function, which compute the moving Pearso...
mer än 6 år ago | 0
Rolling correlation / moving correlation
Hey Mate, I have written a function in analogy to the MOVSUM function, which does exactly that: <https://ch.mathworks.com/...
mer än 6 år ago | 0
Submitted
movcorr(x, y, k, varargin): Compute windowed correlation coefficient
Compute a moving correlation for two vectors x & y in analogy to the MOV* functions.
mer än 6 år ago | 16 downloads |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/65342/versions/8/screenshot.png)
How to find next number divisible by n
How about b = n * ceil(a / n) Greetings, David
nästan 7 år ago | 0
Find RR Interval in seconds
The obvious solution would be: rrInSec = rrInSamples / samplingRateInHz
nästan 7 år ago | 1
| accepted
Change legend width after reisze of legend line length
Hey Simon, this is an issue which pops up regularly, since the customization options of legends are currentyl (when I last ch...
nästan 7 år ago | 0
How to delete a plot in UIAxes?
You could store the handle to the fitted line in the UserData of the figure and then retrieve it every time the button is hit an...
nästan 7 år ago | 1
| accepted
Grouping multivariant data for Andrewsplot
Hey! So |andrewsplot| states that "The rows of X correspond to observations, the columns to variables". It seems that you hav...
nästan 7 år ago | 0
| accepted
How changing the loglog scale x and y axis?
Have you tried to use <https://ch.mathworks.com/help/matlab/ref/semilogy.html semilogy> instead of |loglog|, e.g.: semilogy...
nästan 7 år ago | 1
Submitted
table2char(data,varargin)
Converts a table or dataset to a formatted character matrix.
nästan 7 år ago | 1 download |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/58951/versions/12/screenshot.jpg)
Submitted
printFigs2Files(varargin)
Print figures to files in several formats for publication.
nästan 7 år ago | 1 download |
Submitted
onoffids2logical(onOffIds, varargin)
Convert start and end ids of events to logical indicator array.
mer än 7 år ago | 1 download |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/58984/versions/4/screenshot.png)
Increase nonzero values without deleting zeros
Hey monmatlab, simply use logical indexing: Y = X; isNonzero = X~=0; Y(isNonzero) = 10*Y(isNonzero); or the more ...
mer än 7 år ago | 1
| accepted
A very quick question
Hey Radoslav, In general, to convert a logical array to ids use |<http://www.mathworks.com/help/matlab/ref/find.html find>|. ...
mer än 7 år ago | 0
How to create a new matrix adding vectors of different size based on time
Hey Robert! First, a conceptual question: Can you make sure you have the same sampling interval & phase across all your signa...
mer än 7 år ago | 1
| accepted
Plotting a lattice with color coded nodes
Hey Bill! % Generate the random values on the 50x50, 2-dimensional lattice directly % using X = randi(imax,sz1,...,szN)...
mer än 7 år ago | 0
| accepted
How can I adjust the labels on contour lines in a 'meshc' 3D-plot?
Hey Ibrahim, have a look at <https://ch.mathworks.com/help/matlab/ref/contour-properties.html |Contour Properties|> - the |La...
mer än 7 år ago | 0
| accepted
how to reduce dimensionality of features by usin pca?
To get a simply answer (whitout really adressing the problem), have a look as <https://ch.mathworks.com/help/stats/pcares.html |...
mer än 7 år ago | 0
Replication factors must be a row vector of integers or integer scalars.
nFilters/16 is probably not an integer. Depending on your needs, try round(nFilters/16) instead or use a number of filters which...
mer än 7 år ago | 1
TEXTSCAN is my personal nemesis: Quotes strings with commas
Thanks Stephen for staying with me (you where right in the first place; reading the doc carefully helps)! I finally found my ...
mer än 7 år ago | 0
Question
TEXTSCAN is my personal nemesis: Quotes strings with commas
Dear all, I thought I acquired some Matlab knowledge over the years. But |textscan| really makes me feel dumb. I can not fi...
mer än 7 år ago | 3 answers | 0
3
answersReplace elements in a SxS matrix with zero, in each column but in different rows
Hey Miroslav, have you looked at the |<http://www.mathworks.com/help/matlab/ref/sub2ind.html sub2ind>| function? Should be so...
mer än 7 år ago | 1
What does "something = cell (size(session,1),1" mean/look like?
Hey Marie, the above creates a column cell with n elements, where n are the number of rows of session. Cheers, David
mer än 7 år ago | 1
Submitted
simulateSaccades - A simple and easy-to-use saccade model
Simulates saccades which follow an empirical measured main sequence
mer än 7 år ago | 1 download |
![Thumbnail](/matlabcentral/mlc-downloads/downloads/submissions/60450/versions/2/screenshot.png)
Import and find a specific number from a text file
Try use regexp: file='c:\Users\David J. Mack\Desktop\test.txt'; numFormat1 = {'[ ]{1,7}(\-?\d+\.\d{3})'}; %e.g. %12.3f ...
mer än 7 år ago | 0
how to plot auto correlation and cross correlation function in a single figure?
The negative autocorrelation is the same as the positive as you use the same signal for the correlation. So if you want to pret...
mer än 7 år ago | 0
3D plot of an equation with 3 variables
Hey Amruth, have a look at |<https://www.mathworks.com/help/matlab/ref/surf.html surf>|. Use the surf(x,y,z,c) syntax. Gre...
mer än 7 år ago | 0